晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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#!/bin/sh
# Generates a self-signed certificate.
# Edit dovecot-openssl.cnf before running this.
umask 077
OPENSSL=${OPENSSL-openssl}
SSLDIR=${SSLDIR-/etc/pki/dovecot}
OPENSSLCONFIG=${OPENSSLCONFIG-dovecot-openssl.cnf}
CERTDIR=$SSLDIR/certs
KEYDIR=$SSLDIR/private
CERTFILE=$CERTDIR/dovecot.pem
KEYFILE=$KEYDIR/dovecot.pem
if [ ! -d $CERTDIR ]; then
echo "$SSLDIR/certs directory doesn't exist"
exit 1
fi
if [ ! -d $KEYDIR ]; then
echo "$SSLDIR/private directory doesn't exist"
exit 1
fi
if [ -f $CERTFILE ]; then
echo "$CERTFILE already exists, won't overwrite"
exit 1
fi
if [ -f $KEYFILE ]; then
echo "$KEYFILE already exists, won't overwrite"
exit 1
fi
$OPENSSL req -new -x509 -nodes -config $OPENSSLCONFIG -out $CERTFILE -keyout $KEYFILE -days 365 || exit 2
chmod 0600 $KEYFILE
echo
$OPENSSL x509 -subject -fingerprint -noout -in $CERTFILE || exit 2